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Finding the Fourth Proportional to 9,895.53, 13,649.27 and 6,363.21

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Solution

The fourth proportional to 9,895.53, 13,649.27 and 6,363.21 is: 8,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.53 : 13,649.27 = 6,363.21 : x
  2. Step 2: Convert to fraction form
    9,895.53/13,649.27 = 6,363.21/x
  3. Step 3: Cross multiply
    9,895.53x = 13,649.27 × 6,363.21
  4. Step 4: Simplify right side
    9,895.53x = 86,853,139.54
  5. Step 5: Solve for x
    x = 86,853,139.54/9,895.53
  6. Step 6: Final answer
    x = 8,777.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.